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Scientists say a more contagious mutant strain has been sweeping globe

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Coronavirus: Scientists say a more contagious mutant strain has been sweeping globe

"The story is worrying, as we see a mutated form of the virus very rapidly emerging," the study's authors say.

Scientists say they have identified a mutation in coronavirus which they believe means a more contagious strain has been sweeping Europe and the US - and could even reinfect those who already have antibodies.

Researchers at Los Alamos National Laboratory in the US detected 14 mutations in the COVID-19 virus spike proteins, one of which - known as Spike D614G - they said was of "urgent concern".

Their research paper suggests the mutated strain of coronavirus that has become dominant across the world was first indentified in Europe and is different to those which spread early on in the pandemic.

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By analysing more than 6,000 genetic sequences of coronavirus samples taken from patients globally, the researchers found the mutated strain was persistently becoming the most dominant version of the virus in every region it was detected in.

While first discovered in Europe in early February, the researchers believe the coronavirus mutation has now become the most prevalent strain across the whole of the world.

The study indicates it has been consistently out-competing the original strain detected in Wuhan, which spread through that region of China and some other Asian countries before March.

However, the fact the team's findings have not yet been peer-reviewed has concerned some observers, who fear the potentially alarming report should be rigorously analysed before being made public.

On the website hosting the study, one user suggested the "title of the manuscript seems a bit disingenuous" and warned that the prevalence of the mutated spike protein could be a matter of correlation rather then causation.

Although the mutated form of the virus is quickly out-competing the one initially detected in Wuhan, the researchers say they are not certain of their hypothesis that this is due to the spike protein mutation rather than another mutation.

Given the spike protein's "vital importance both in terms of viral infectivity and as an antibody target, we felt an urgent need for an 'early warning' pipeline to evaluate spike pandemic evolution", the study's authors said.





 
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